Epidemic investigation was made in 2080 diabetic cases in Henan Province. Results showed that TCM Xiaoke syndrome is not only related to the pathological changes of the Lung in Upper - jiao

Spleen -stomachin middle - jiao and kidney in lower - jiao

but also closely related to pathological changes of the liver. During the early stage when mild hyperglycemia is present

the manifestations of deficient liver （ of liver blood and liver Yin） are especially conspicuous with a frequency of occurrence only less than Qi -deficiency syndrome. This important new discovery reminds us that " liver" is not to be overlooked clinically. It also proves that application of nourishing

softening

converging

and soothing the liver are reasonable and scientific methods for diabetes treatment.